| gamma rays |
a type of electromagnetic radiation with a very short wavelength and high Energy level. Generally, emitted during radioactive decay of a substance.
출처: www.science501.com/PTWeaGlGM.html
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| gamma rays |
Penetrating electromagnetic waves or rays emitted from nuclei during radioactive decay, similar to X-rays. Dense materials such as concrete and lead are used to provide shielding against gamma radiation.
출처: www.fusrapmaywood.com/factsheet/gloss.htm
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| gamma rays |
Gamma rays are an example of electromagnetic radiation, as is visible light. Gamma rays originate from the nucleus of an atom. They are capable of traveling long distances through air and most other materials. Gamma rays require more "shielding" material, such as lead or steel, to reduce their numbers than is required for alpha and beta particles.
출처: www.hps1.org/glossary/glossary.htm
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| gamma rays |
are photons emitted during nuclear de-excitation processes. These gamma-ray transitions may be from a metastable excited state, or between levels in a daughter nucleus. The large majority of gamma rays from fission-product and man-made radionuclides have energies between 20 keV and 2 MeV.
출처: physics.nist.gov/Divisions/Div846/Glossary/glossar...
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| gamma rays |
(of Radiation): Electromagnetic radiation of high photon energy originating in atomic nuclei and accompanying many nuclear reactions (eg, fission, radioactivity, and neutron capture). Physically, gamma rays are identical with x-rays of high energy, the only essential difference being x-rays do not originate from atomic nuclei, but are produced in other ways (eg, by slowing down (fast) electrons of high energy). See x-rays. ...
출처: www.dtra.mil/toolbox/directorates/td/programs/rtfc...
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